MPD: thread/Slack.hxx Source File

MPD 0.20.15

Slack.hxx
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1 /*
2 * Copyright 2003-2017 The Music Player Daemon Project
3 * http://www.musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifndef MPD_THREAD_SLACK_HXX
21 #define MPD_THREAD_SLACK_HXX
22
23 #ifdef HAVE_PRCTL
24 #include <sys/prctl.h>
25 #endif
26
32 static inline void
33 SetThreadTimerSlackNS(unsigned long slack_ns)
34 {
35 #if defined(HAVE_PRCTL) && defined(PR_SET_TIMERSLACK)
36 prctl(PR_SET_TIMERSLACK, slack_ns, 0, 0, 0);
37 #else
38 (void)slack_ns;
39 #endif
40 }
41
42 static inline void
43 SetThreadTimerSlackUS(unsigned long slack_us)
44 {
45 SetThreadTimerSlackNS(slack_us * 1000ul);
46 }
47
48 static inline void
49 SetThreadTimerSlackMS(unsigned long slack_ms)
50 {
51 SetThreadTimerSlackNS(slack_ms * 1000000ul);
52 }
53
54 #endif
SetThreadTimerSlackMS
static void SetThreadTimerSlackMS(unsigned long slack_ms)
Definition: Slack.hxx:49
SetThreadTimerSlackUS
static void SetThreadTimerSlackUS(unsigned long slack_us)
Definition: Slack.hxx:43
SetThreadTimerSlackNS
static void SetThreadTimerSlackNS(unsigned long slack_ns)
Set the current thread&#39;s timer slack to the specified number of nanoseconds (requires Linux 2...
Definition: Slack.hxx:33